The colossal squid has the largest eyes in the world.
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Jellyfish as a species are actually older than dinosaurs and sharks.
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When cats are happy, they may squeeze their eyes shut.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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